Pith Number

pith:WHQVN4LI

pith:2011:WHQVN4LIMYNK2NDUY6TCKTTN3Z

not attested not anchored not stored refs pending

Measurements of the dependence of the photon-number distribution on the number of modes in parametric down-conversion

A. Shaham, D. Istrati, H. S. Eisenberg, L. Dovrat, M. Bakstein

arxiv:1112.0914 v2 · 2011-12-05 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHQVN4LIMYNK2NDUY6TCKTTN3Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:59:17.132498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1e156f168661aad3474c7a6254e6dde75ac118eec32bd9c153b6f6187fea156

Aliases

arxiv: 1112.0914 · arxiv_version: 1112.0914v2 · doi: 10.48550/arxiv.1112.0914 · pith_short_12: WHQVN4LIMYNK · pith_short_16: WHQVN4LIMYNK2NDU · pith_short_8: WHQVN4LI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WHQVN4LIMYNK2NDUY6TCKTTN3Z \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b1e156f168661aad3474c7a6254e6dde75ac118eec32bd9c153b6f6187fea156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d908c9283552e2ad10e1abbde1b0dc0f416556c3b4d85a2253cd9ad97d4bd992",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-05T13:02:58Z",
    "title_canon_sha256": "63487775a19dbe1fe9ae72ac9cf91b9bae4a78e0640359a6d02caac48e108fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0914",
    "kind": "arxiv",
    "version": 2
  }
}